<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="./node_modules/axios/dist/axios.min.js"></script>
  <style>
    body {
      margin: 0;
      padding: 30px;
    }

    a {
      text-decoration: none;
    }

    table,
    th,
    td {
      border: 1px solid black;
      border-spacing: 0;
      border-collapse: collapse;
      text-align: center;
    }

    th,
    td {
      padding: 5px 10px;
    }
  </style>
</head>

<body>
  <h1>用户列表</h1>
  <a href="./add.html">添加用户</a>
  <table>
    <thead>
      <tr>
        <th>id</th>
        <th>用户名</th>
        <th>密码</th>
        <th>操作</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>1</td>
        <td>张三</td>
        <td>123</td>
        <td>
          <a href="">编辑</a>
          <a href="">删除</a>
        </td>
      </tr>
    </tbody>
  </table>


  <script>
    //获取tbosy容器
    const tbody = document.querySelector('tbody')

    //实现删除方法
    function deleteItem(id) {
      const flag = confirm('你确定要删除吗？')
      if (flag) {
        axios.delete(`http://localhost:3000/users/${id}`).then(res => {
          location.href = './index.html'
        })
      }
    }

    //通过axios，发送异步请求，获取数据
    axios.get('http://localhost:3000/users').then(res => {
      //获取所有用户数组
      const arr = res.data

      //将用户数组中的js对象转成tr的dom字符串，再拼接成整个字符串，填充到tbody中
      tbody.innerHTML = arr.map(function (item) {
        return `<tr>
                  <td>${item.id}</td>
                  <td>${item.username}</td>
                  <td>${item.password}</td>
                  <td>
                    <a href="./edit.html?id=${item.id}">编辑</a>
                    <a href="#" onclick = 'deleteItem(${item.id})'>删除</a>
                  </td>
                </tr>`
      }).join('')

    })
  </script>
</body>

</html>